The Howard Hughes Medical Institute

Agentic AI Security Engineer

Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Hands-on experience with LLM agents or deep expertise in sandbox/container security.
  • Proficient in Linux and Kubernetes/OpenShift isolation techniques.
  • Familiarity with agent architectures and enforcing policy through guardrail frameworks.
  • Demonstrable evidence of contributions to open-source projects or technical writing.
  • At least 5 years of experience in security, systems/SRE, or ML systems engineering.

Responsibilities

  • Research and develop the safety stack for agentic AI.
  • Deploy and operate sandboxing techniques for safe code execution.
  • Implement policy enforcement for agent inputs and outputs.
  • Design and maintain auditing and monitoring systems for accountability.
  • Contribute to foundational architecture decisions for AI systems.

Benefits

  • Competitive pay based on qualifications and experience.
  • Exceptional health benefits and retirement plans.
  • Comprehensive time-off policies.
  • Participation in recognition and wellness programs.
Full Job Description
Primary Work Address: 19700 Helix Drive, Ashburn, VA, 20147

Current HHMI Employees, click here to apply via your Workday account.

AI[redacted] at Janelia integrates AI agents across the research process. These tools write and execute code, optimize experimental and model parameters, and drive instruments.

Letting AI agents act on shared research infrastructure requires serious safety engineering. The relevant failure mode is usually not a malicious attacker but a capable, misdirected tool running with legitimate user permissions at machine speed: hallucinated commands, instructions hijacked by retrieved content, runaway loops, sandbox escapes. We are hiring the engineer who owns this problem.

The role

You will research, develop, deploy, operate, and analyze the safety stack for agentic AI at Janelia:
  • Sandboxing. Hardened, reproducible execution environments for agent code (kernel- and VM-level isolation, network egress control) on our OpenShift platform and HPC cluster, validated by adversarial testing.
  • Guardrails. Policy enforcement on agent inputs, outputs, and tool calls; judge models; human approval gates; independent safeguard services that sessions can be routed through, individually or chained.
  • Observability. Attributable audit logging, full-trace capture, real-time monitoring, and post-incident analysis of agent sessions.

You will join early enough to make the foundational architecture decisions, and you will operate what you design. We expect and support open-sourcing and publishing this work.

The environment

A large NVIDIA GPU cluster (B300/H200/H100 class) running self-hosted open-weight models and frontier commercial models; collaborations with industry (Anthropic and Google); scientists across biology, physics, and ML as your users; the long-term stability of a philanthropy-funded research institute.

What we look for
  • Hands-on experience operating LLM agents and dealing with their failures, or deep sandbox/container-security expertise with clear ability to move into the agentic domain.
  • Linux and Kubernetes/OpenShift isolation depth, including a precise understanding of the difference between containerization and sandboxing.
  • Working knowledge of agent architectures: tool-calling protocols (e.g., MCP), approval gates, judge models, guardrail frameworks, and the limits of each.
  • Evidence over certifications: open-source contributions, publications or technical writing, disclosed findings, or production systems you can discuss in depth.
  • Minimum 5 years in security, systems/SRE, or ML systems engineering.


To apply: include a link to something you have built, broken, or written.

Physical Requirements

Remaining in a normal seated or standing position for extended periods of time; reaching and grasping by extending hand(s) or arm(s); dexterity to manipulate objects with fingers, for example using a keyboard; communication skills using the spoken word; ability to see and hear within normal parameters; ability to move about workspace. The position requires mobility, including the ability to move materials weighing up to several pounds (such as a laptop computer or tablet).

Persons with disabilities may be able to perform the essential duties of this position with reasonable accommodation. Requests for reasonable accommodation will be evaluated on an individual basis.

Please Note:

This job description sets forth the job's principal duties, responsibilities, and requirements; it should not be construed as an exhaustive statement, however. Unless they begin with the word "may," the Essential Duties and Responsibilities described above are "essential functions" of the job, as defined by the Americans with Disabilities Act.

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Compensation and Benefits

Our employees are compensated from a total rewards perspective in many ways for their contributions to our mission, including competitive pay, exceptional health benefits, retirement plans, time off, and a range of recognition and wellness programs. Visit our Benefits at HHMI site to learn more.

Hiring Pay Range
$149,084.80 - $186,356.00

Pay Type:
Annual
The posted range reflects HHMI's good faith estimate of the anticipated hiring salary range for this role at the time of posting. Actual hiring compensation is determined by a candidate's qualifications, experience, and internal equity.

About The Howard Hughes Medical Institute

The Howard Hughes Medical Institute (HHMI) is a nonprofit medical research organization that focuses on biomedical research. The organization was founded in 1953 by Howard Hughes, a businessman and aviator, and is headquartered in Chevy Chase, Maryland. HHMI has more than 3000 employees, including scientists, administrative staff, and support personnel. The organization's research focuses on a variety of areas, including genetics, neuroscience, and structural biology. HHMI is one of the largest private research organizations in the United States, with an endowment of over $20 billion.
Learn more about The Howard Hughes Medical Institute
Size
3,000 employees
Industry
Founded
1953

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